What does the law say about energy?

What about energy can change and what does not change, according to the law?

A 25.00 ml sample of h3po4 solution is neutralized by exactly 54.93 ml of 0.04345 m ca (oh) 2. what is the molarity of the h3po4 solution?

Which equation listed matches the following word equation? when lithium hydroxide pellets are added to a solution of sulfuric acid, lithium sulfate and water are formed.

The effort needed when a simple machine is used is best described by which of these statements? A) The effort force is always smaller than the force needed without the machine.

Predict the oxidation number for the Atom Cr

A 5-column table with 2 rows. Column 1 is labeled number of protons, with entries A and D; column 2 is number of neutrons, with entries 7 and E; Column 3 is atomic number, with entries B and 26;

Why does the temperature remain constant during melting till all the ice has melted?

In a certain organic compound, one of the carbon atoms is bonded to four atoms. One of these is a carbon atom, and the other three are hydrogen atoms. What type of bond exists between the two carbon atoms? A. Ionic B. Dispersion force C.

How much hbro must be added to 1l of pure water to make a solution with a ph of 4.25? ka = 2.00 * 10-9?

Water is known as the 'universal solvent' because: Water is capable of dissolving every substance. Water can dissolve many ionic and covalent compounds. Water can dissolve many substances, but often requires large amounts of heat to be added.

Which of the following would be expected to form hydrogen bonds with water? Choose all that apply. (A) methylamine (B) N-methylpropanamide (C) acetaldehyde (D) cyclopentane (E) None of the Above